These was already configured above, the BINARY paths are wrong!

--- a/CMake/InstallResources.cmake	2018-03-23 10:48:44.371486540 +0100
+++ b/CMake/InstallResources.cmake	2018-03-23 10:49:08.333486363 +0100
@@ -226,10 +226,6 @@
   set(OGRE_SAMPLES_DIR_REL "")
   set(OGRE_SAMPLES_DIR_DBG "")
 elseif (UNIX)
-  set(OGRE_PLUGIN_DIR_REL "${OGRE_BINARY_DIR}/lib")
-  set(OGRE_PLUGIN_DIR_DBG "${OGRE_BINARY_DIR}/lib")
-  set(OGRE_SAMPLES_DIR_REL "${OGRE_BINARY_DIR}/lib")
-  set(OGRE_SAMPLES_DIR_DBG "${OGRE_BINARY_DIR}/lib")
 endif ()
 
 if (WINDOWS_STORE OR WINDOWS_PHONE)